QuickBooks is a line of business accounting software developed and marketed by Intuit. wikipedia.org

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org

Bookkeeping is the recording of financial transactions. Transactions include sales, purchases, income, receipts and payments by an individual or organization. Bookkeeping is usually performed by a bookkeeper. wikipedia.org

Xero is an online accounting software product for small and medium-sized businesses, as well as for personal finance. The product is sold by subscription (a distribution model commonly known as Software as a Service or SaaS) requiring the payment of a monthly fee. wikipedia.org

Corporate tax refers to a tax imposed on entities that are taxed at the entity level in a particular jurisdiction; such taxes may include income or other taxes. Businesses increasingly trade across borders,dealing with constant development in domestic and international tax laws. wikipedia.org

International taxation is the study or determination of tax on a person or business subject to the tax laws of different countries or the international aspects of an individual country's tax laws. wikipedia.org

A financial statement (or financial report) is a formal record of the financial activities of a business, person, or other entity.

Tax preparation is the process of preparing tax returns, often income tax returns, often for a person other than the taxpayer, and generally for compensation. Tax preparation may be done by the taxpayer with or without the help of tax preparation software and online services. wikipedia.org

In management accounting or managerial accounting, managers use the provisions of accounting information in order to better inform themselves before they decide matters within their organizations, which aids their management and performance of control functions. wikipedia.org